<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>

      <div id="main" style="width: 800px;height:600px;"></div>
    </el-card>
  </div>
</template>

<script>
  import * as echarts from "echarts"
  export default {
    name: "Report",
    data() {
      return {
        options: {
          title: {
            text: '用户来源'
          },
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'cross',
              label: {
                backgroundColor: '#E9EEF3'
              }
            }
          },
          grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
          },
          xAxis: [{
            boundaryGap: false
          }],
          yAxis: [{
            type: 'value'
          }]
        },
        reportData: {}
      }
    },
    async mounted() {

      // 基于准备好的dom，初始化echarts实例
      const myChart = echarts.init(document.getElementById('main'));

      let result = await this.$requests.get('reports/type/1')
      if (result.meta.status == 200) {
        let Data = {
          ...this.options,
          ...result.data
        }
        this.reportData = Data
      } else {
        return this.$message.error("网络不佳,请稍后再试")
      }



      // 使用刚指定的配置项和数据显示图表。
      myChart.setOption(this.reportData);

    },
  }

</script>

<style>

</style>
